At 03:29 PM 10/28/1999 -0500, you wrote: >I was thinking along the lines of using another PIC (like maybe 12C671) >powered from the motor supply making the motor measurements, but >electrically isolated from everything else, then sending a bit stream >through an optocoupler to the PIC with the EEPROM. It's cheap (<$2 in 25's Well, DUH!!! Why didn't I think of that. You forgot one point - I HAVE THEM IN STOCK!!!! How Stupid can I be! Thanks. Andy ================================================================== Eternity is only a heartbeat away - are you ready? Ask me how! ------------------------------------------------------------------ andy@rc-hydros.com http://www.rc-hydros.com - Race Boats andy@montanadesign.com http://www.montanadesign.com - Electronics ==================================================================